round

1 shaped like a circle or a balla round plateThese glasses suit people with round faces.The fruit are small and round.Rugby isn't played with a round ball.the discovery that the world is roundThe child was watching it all with big round eyes (= showing interest).a T-shirt with a round necksee alsoround-eyed,round-table

2 having a curved shapethe round green hills of Donegalround brackets (= in writing)She had a small mouth and round pink cheeks.

3 [only before noun]a round figure or amount is one that is given as a whole number, usually one ending in 0 or 5Make it a round figure—say forty dollars.Two thousand is a nice round number—put that down.Well, in round figures(= not giving the exact figures) we've spent twenty thousand so far.

Word OriginMiddle English: from the Old French stem round-, from a variant of Latinrotundus

‘rotund’

.Extra examplesShe had a very round face.Most of the county is undulating land, with low round hills and shallow valleys.Put both the surname and publication date in round brackets.